description Eurekia Overview
Eurekia is an extinct genus of asaphid trilobites placed in the family Eurekiidae. It is known from Late Cambrian and earliest Ordovician marine rocks of Laurentian North America, including the House Range of Utah, Nevada, and the Upper Mississippi Valley. The genus includes species such as Eurekia angustifrons and Eurekia apopsis, and its occurrences help document the transition from Cambrian to Ordovician trilobite faunas. [Eurekia taxon record](https://www.mindat.org/taxon-4635652.html)
help Eurekia FAQ
What is Eurekia?
Eurekia is an extinct genus of asaphid trilobites in the family Eurekiidae. It is known from Late Cambrian and earliest Ordovician marine rocks.
Where are Eurekia fossils found?
Eurekia is known from Laurentian North America, including the House Range of Utah, Nevada, and the Upper Mississippi Valley. These areas preserve its marine fossil record.
When did Eurekia live?
Eurekia lived from the Late Cambrian into the earliest Ordovician. That range places the genus near a major transition in Paleozoic marine history.
What type of trilobite was Eurekia?
Eurekia was an asaphid trilobite. Its family, Eurekiidae, is used to classify this distinctive group of Cambrian and earliest Ordovician trilobites.
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